package com.xyc.gulimall.order.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyMQConfig {

    //@Bean Binding,Queue,Exchange

    /**
     * 容器中的Binding,Queue,Exchange都会自动创建（RabbitMQ没有的情况下）
     *
     * @return Queue
     */
    @Bean
    public Queue orderDelayQueue() {
        Map<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange", "order-event-exchange");
        arguments.put("x-dead-letter-routing-key", "order.release.order");
        arguments.put("x-message-ttl", 60000);
        return new Queue(
                "order.delay.queue",//订单延迟队列
                true,
                false,
                false,
                arguments
        );
    }

    @Bean
    public Queue orderReleaseOrderQueue() {
        return new Queue(
                "order.release.order.queue",//订单死信队列
                true,
                false,
                false
        );
    }

    @Bean
    public Exchange orderEventExchange() {
        return new TopicExchange(
                "order-event-exchange",//订单交换机
                true,
                false
        );
    }

    @Bean
    public Binding orderCreateOrderBinding() {
        return new Binding(
                "order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null
        );
    }

    @Bean
    public Binding orderReleaseOrderBinding() {
        return new Binding(
                "order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null
        );
    }

    /**
     * 订单释放直接和库存释放进行绑定
     *
     * @return Binding
     */
    @Bean
    public Binding orderReleaseOtherBinding() {
        return new Binding(
                "stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null
        );
    }

    @Bean
    public Queue orderSeckillOrderQueue() {
        return new Queue(
                "order.seckill.order.queue",//订单延迟队列
                true,
                false,
                false
        );
    }

    @Bean
    public Binding orderSeckillOrderQueueBinding() {
        return new Binding(
                "order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null
        );
    }
}
